Marita Noon reports on some of the vagaries faced by buyers of rooftop solar panels. Florida purchasers were stuck with bills of up to $40,000 for systems that may be unusable or unsafe installed by now-bankrupt companies who will not honor warranties. Elsewhere, firefighters have discussed the risks (electrocution is just one) from fighting fires in buildings with rooftop solar installations. Other solar companies mislead customers or even take their money and disappear.